diff --git a/gamedata/objects/ingame/tiles.py b/gamedata/objects/ingame/tiles.py
index 0afb00d..51591e7 100644
--- a/gamedata/objects/ingame/tiles.py
+++ b/gamedata/objects/ingame/tiles.py
@@ -13,18 +13,20 @@ class Tiles(BaseObject):
         self.nbcells = nbcells
         self.cellsize = cellsize
 
-        self.grid = self.gengrid(nbcells,nbcells)
-        self.spawns = self.getspawnpoints(self.grid)
+        self.saferadius = 2
 
-    def gengrid(self,w,h):
+        self.grid = self.gengrid(nbcells,nbcells,minsize=self.saferadius*2+1)
+        self.spawns = self.getspawnpoints(self.grid,saferadius=self.saferadius)
+
+    def gengrid(self,w,h,minsize=3,randrange=4):
         # Generating various rectangles on a map
         grid = [ [0 for x in range(w)] for y in range(h) ]
         nb_rects = int(sqrt(w*h)/1.5+0.5)
 
         for i in range(nb_rects):
             # Generating the rects
-            rectw = random.randint(3,7)
-            recth = random.randint(3,7)
+            rectw = random.randint(0,randrange)+minsize
+            recth = random.randint(0,randrange)+minsize
             rectx = random.randint(0,w-rectw)
             recty = random.randint(0,h-recth)